Home / 3,072.20-4,239.27-2,444.31

Finding the Fourth Proportional to 3,072.20, 4,239.27 and 2,444.31

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Solution

The fourth proportional to 3,072.20, 4,239.27 and 2,444.31 is: 3,372.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.20 : 4,239.27 = 2,444.31 : x
  2. Step 2: Convert to fraction form
    3,072.20/4,239.27 = 2,444.31/x
  3. Step 3: Cross multiply
    3,072.20x = 4,239.27 × 2,444.31
  4. Step 4: Simplify right side
    3,072.20x = 10,362,090.05
  5. Step 5: Solve for x
    x = 10,362,090.05/3,072.20
  6. Step 6: Final answer
    x = 3,372.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.